He looked almost exactly like Hilde's father – with a " black, well-trimmed beard" and a blue beret.
他看起来几乎和希尔德的父亲一模一样——留着“修剪整齐的黑色胡须”，戴着蓝色贝雷帽。
英语百科
Blue beret
（重定向自Blue Berets）
A blue beret is a blue-colored beret used by various (usually special) military and other organizations, notably the United Nations peacekeepers who are sometimes referred to as the Blue Berets.